/*
 * Copyright (c) 2022-2022 Huawei Technologies Co., Ltd. All rights reserved.
 * Copyright (c) 2022-2022 Huawei Device Co., Ltd. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this list of
 * conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
 * of conditions and the following disclaimer in the documentation and/or other materials
 * provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
 * to endorse or promote products derived from this software without specific prior written
 * permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
#include "It_posix_container.h"

/*This use case test: vpid 回收*/
static int childFun1(void *p)
{
    pid_t pid = getpid();
    int ret = (int)pid;

    return ret;
}

static int childFun(void *p)
{
    pid_t pid = getpid();
    int childFunRet = (int)pid;
    void *pstk = malloc(STACK_SIZE);
    if (NULL == pstk) {
        printf("child cannot malloc stack\n");
        return -1;
    }
    int childPid = clone(childFun1, (char *)pstk + STACK_SIZE, SIGCHLD, NULL);
    ICUNIT_GOTO_NOT_EQUAL(childPid, -1, childPid, CHILD_ERROR_DEAL);

    int status;
    int ret;
    ret = waitpid(childPid, &status, 0);
    ICUNIT_GOTO_EQUAL(ret, childPid, ret, CHILD_ERROR_DEAL);
    ret = WIFEXITED(status);
    ICUNIT_GOTO_NOT_EQUAL(ret, 0, ret, CHILD_ERROR_DEAL);
    ret = WEXITSTATUS(status);
    ICUNIT_GOTO_EQUAL(ret, CONTAINER_SECOND_PID, ret, CHILD_ERROR_DEAL);

    childPid = clone(childFun1, (char *)pstk + STACK_SIZE, SIGCHLD, NULL);
    ICUNIT_GOTO_NOT_EQUAL(childPid, -1, childPid, CHILD_ERROR_DEAL);
    ret = waitpid(childPid, &status, 0);
    ICUNIT_GOTO_EQUAL(ret, childPid, ret, CHILD_ERROR_DEAL);
    ret = WIFEXITED(status);
    ICUNIT_GOTO_NOT_EQUAL(ret, 0, ret, CHILD_ERROR_DEAL);
    ret = WEXITSTATUS(status);
    ICUNIT_GOTO_EQUAL(ret, CONTAINER_SECOND_PID, ret, CHILD_ERROR_DEAL);

    free(pstk);
    return childFunRet;

CHILD_ERROR_DEAL:
    free(pstk);
    return -1;
}

static UINT32 Testcase(VOID)
{
    void *pstk = malloc(STACK_SIZE);
    if (NULL == pstk) {
        printf("parent cannot malloc stack\n");
        return -1;
    }
    pid_t parentPid = getpid();
    int childPid = clone(childFun, (char *)pstk + STACK_SIZE, CLONE_NEWPID|SIGCHLD, NULL);
    ICUNIT_GOTO_NOT_EQUAL(childPid, -1, -1, ERROR_DEAL);

    int status;
    int ret;
    ret = waitpid(childPid, &status, 0);
    ICUNIT_GOTO_EQUAL(ret, childPid, ret, ERROR_DEAL);
    ret = WIFEXITED(status);
    ICUNIT_GOTO_NOT_EQUAL(ret, 0, ret, ERROR_DEAL);
    ret = WEXITSTATUS(status);
    ICUNIT_GOTO_EQUAL(ret, CONTAINER_FIRST_PID, ret, ERROR_DEAL);
    free(pstk);
    return 0;

ERROR_DEAL:
    free(pstk);
    return -1;
}

VOID ItPosixPidContainer006(void)
{
    TEST_ADD_CASE("IT_POSIX_PID_CONTAINER_006", Testcase, TEST_POSIX, TEST_CONTAINER, TEST_LEVEL0, TEST_FUNCTION);
}

